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3 years ago

___________ have the highest rates of star formation

Physics

1 answer:

tankabanditka [31]3 years ago

6 0

Explanation:

Starburst galaxies have the highest rates of star formation.

Central dominant galaxies are the ones which are largest individual galaxies in the universe.

The collective activity of many supernova events in a relatively small volume of a galaxy can create galactic wind.

The energy for all active galactic nuclei is thought to come from in-fall of matter into supermassive black holes.

Radio galaxies are often characterized by sources of immense energy located hundreds of thousands of light-years away on either side of their centers.

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After being struck by a bowling ball, a 1.8 kg bowling pin sliding to the right at 5.0 m/s collides head-on with another 1.8 kg

kaheart [24]

Answer:

a) v₂ = 4.2 m/s

b) v₂ = 5 m/s

Explanation:

We will use the law of conservation of momentum here:

$m_1u_1+m_2u_2=m_1v_1+m_2v_2$

where,

m₁ = m₂ = mass of bowling pin = 1.8 kg

u₁ = speed of first pin before collsion = 5 m/s

u₂ = speed of second pin before collsion = 0 m/s

v₁ = speed of first pin after collsion = 0.8 m/s

v₂ = speed of second after before collsion = ?

Therefore,

$(1.8\ kg)(5\ m/s)+(1.8\ kg)(0\ m/s)=(1.8\ kg)(0.8\ m/s)+(1.8\ kg)(v_2)\\v_2 = 5\ m/s - 0.8\ m/s$

v₂ = 4.2 m/s

We will use the law of conservation of momentum here:

$m_1u_1+m_2u_2=m_1v_1+m_2v_2$

where,

m₁ = m₂ = mass of bowling pin = 1.8 kg

u₁ = speed of first pin before collsion = 5 m/s

u₂ = speed of second pin before collsion = 0 m/s

v₁ = speed of first pin after collsion = 0 m/s

v₂ = speed of second after before collsion = ?

Therefore,

$(1.8\ kg)(5\ m/s)+(1.8\ kg)(0\ m/s)=(1.8\ kg)(0\ m/s)+(1.8\ kg)(v_2)$

v₂ = 5 m/s

5 0

3 years ago

In the circuit shown, the galvanometer shows zero current. The value of resistance R is :

Tasya [4]

Answer:

its supposed to be (a) 1W

8 0

3 years ago

Which of these results in kinetic energy of an object? position motion mass volume

Ray Of Light [21]

Answer:

motion

Explanation:

the motion causes static which is kinetic energy

3 0

3 years ago

Read 2 more answers

Imagine that two charged balls placed some distance apart strongly attract each other. Now imagine placing a pane of glass halfw

lorasvet [3.4K]

Answer:

decrease

Explanation:

If the two charged ball attracts each other, it means the charge on both the balls are opposite in nature.

As, we insert a glass slab, it means a dielectric is inserted in between the charges. The force between them is reduced.

8 0

4 years ago

A classification of metamorphic rocks would indicate whether they are____

marin [14]

Its either letter a or c

6 0

3 years ago